Posterior Reversible Encephalopathy Syndrome (PRES) in a Chronic Alcoholic Patient after Having Steam Bath: A Case Report

Posterior reversible encephalopathy syndrome (PRES) is a rare disorder that is associated with hypertensive crises. In this article, we present a 59-year-old male patient with posterior reversible encephalopathy syndrome (PRES) caused by an acute hypertensive crisis after entering a steam bath in alcohol intoxicated status. In our case, oxidative stress resulting from alcohol metabolism may have lead to blood brain barrier (BBB) breakdown, serving as an aggravating factor in PRES. Thus we must always consider the possibility of PRES when treating chronic alcoholic patients with abnormal neurologic symptoms.

Trial of Oral Metoclopramide on Diurnal Bruxism of Brain Injury

Bruxism is a diurnal or nocturnal parafunctional activity that includes tooth clenching, bracing, gnashing, and grinding. The dopaminergic system seems to be the key pathophysiology of bruxism and diminution of dopaminergic transmission at the prefrontal cortex seems to induce it. We report two patients with diurnal bruxism in whom a bilateral frontal lobe injury resulted from hemorrhagic stroke or traumatic brain injury. These patients' bruxism was refractory to bromocriptine but responded to low-dose metoclopramide therapy. We propose that administering low doses of metoclopramide is possibly a sound method for treating bruxism in a brain injury patient with frontal lobe hypoperfusion on positron emission tomography imaging.